Composite copper sheet
By setting the interlocking structure of the locking blocks and protrusions on the composite copper sheet, the problem of needing tools to tighten screws in the prior art is solved, realizing tool-free installation and efficient assembly.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-03
AI Technical Summary
In current battery manufacturing, the connection of composite copper sheets requires the use of tools to tighten screws, which increases the complexity of the casing design and manual operation steps, and reduces production efficiency.
A composite copper sheet is designed to achieve a secure connection without tools by setting circular holes and locking blocks on the sheet body, and setting protrusions on the guide sheet to interfere with the locking blocks.
It simplifies the battery casing design, improves assembly efficiency, reduces operating steps, and lowers labor costs.
Smart Images
Figure CN224082701U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of battery manufacturing, and in particular to a composite copper sheet. Background Technology
[0002] In existing battery manufacturing processes, composite copper sheets are typically used as key components for electrode connections, ensuring reliable conductive connections between the electrodes and external wires. Traditionally, the connection between the battery's main electrodes and wires involves welding a stud onto the composite copper sheet and a ring onto the end of the wire. During installation, the ring is fitted onto the stud, and then tightened with screws.
[0003] However, existing connection methods have the following shortcomings in practical applications: because the studs protrude from the copper sheet surface, the battery casing must have corresponding clearance slots or holes to accommodate the stud structure. This not only increases the complexity of the casing design but may also reduce the casing strength. Furthermore, during installation, tools must be used to tighten the screws, increasing manual operation steps and reducing assembly efficiency on the production line. Especially in mass production, this cumbersome connection method significantly increases time and labor costs. In view of this, the composite copper sheet proposed in this application is presented. Utility Model Content
[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a composite copper sheet that reduces the design difficulty of the battery casing and allows for installation without the need for tools, thereby improving assembly efficiency.
[0005] The objective of this utility model is achieved through the following technical solution:
[0006] A composite copper sheet, comprising:
[0007] A sheet body, wherein a circular hole is formed on the sheet body;
[0008] A card holder component, comprising a locking block and a plurality of card blocks, wherein the locking block is disposed on the plate body and is located between the circular hole and any end of the plate body, and each of the card blocks is disposed on the plate body and is spaced apart along the circumferential direction of the circular hole; and
[0009] A snap-fit component includes a guide plate and a plurality of protrusions, each protrusion being disposed on the guide plate. A cylinder is disposed at one end of the guide plate, and each protrusion is spaced apart along the circumference of the cylinder. The cylinder is inserted into a circular hole. One end of the guide plate drives each protrusion to rotate around the axis of the cylinder, so that each protrusion engages with each snap-fit block in a corresponding manner, thereby causing the end of the guide plate away from the cylinder to engage with the locking block.
[0010] Optionally, a gap is provided between each of the card blocks and the sheet body, and each of the protrusions is respectively engaged in the gap.
[0011] Optionally, the thickness of the bump is greater than the width of the gap.
[0012] Optionally, the snap-fit component further includes a plurality of insert blocks, each of the insert blocks being disposed on one end of each of the protrusions facing the same direction, and each of the snap-fit blocks having a through hole at the connection position with the sheet body, and each of the insert blocks being inserted into each of the through holes.
[0013] Optionally, a latch is provided on the end of the insert block away from the protrusion, and the latch abuts against the insert block.
[0014] Optionally, the locking block is provided with a top block, which abuts against the guide plate.
[0015] Optionally, the snap-fit component further includes a wire sleeve disposed on the end of the guide plate away from the cylinder, the wire sleeve being used to attach a wire.
[0016] Optionally, the guide plate is provided with a wire placement groove, which extends from one end of the guide plate to the other end.
[0017] Compared with the prior art, the present invention has at least the following advantages:
[0018] This invention relates to a composite copper sheet with several locking blocks spaced circumferentially around circular holes on the sheet body. These blocks coaxially engage with several protrusions spaced circumferentially around cylindrical surfaces on the guide sheet, with each locking block and protrusion providing an interference fit. This ensures a tight fit between the guide sheet and the sheet body. As a result, assembly workers can securely connect the wires to the motor electrodes without tools, reducing the number of steps required and improving assembly efficiency on the production line. Attached Figure Description
[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of the structure of a composite copper sheet according to one embodiment of the present invention;
[0021] Figure 2 This is a schematic diagram of the structure of the guide plate away from the locking block in one embodiment of the present invention;
[0022] Figure 3 This is an exploded view of the composite copper sheet according to one embodiment of the present invention.
[0023] Figure 4 This is a schematic diagram of the structure of a card holder according to one embodiment of the present invention;
[0024] Figure 5 This is a schematic diagram of the structure of a snap-fit component according to one embodiment of the present invention;
[0025] Figure 6 for Figure 5 A magnified schematic diagram of part A in the diagram.
[0026] Explanation of reference numerals in the attached figures:
[0027] 1. Composite copper sheet; 10. Sheet body; 11. Round hole; 20. Card holder; 21. Locking block; 210. Top block; 22. Card block; 220. Through hole; 30. Card connector; 31. Guide plate; 310. Cylindrical part; 32. Protrusion; 33. Insert block; 330. Buckle; 34. Wire sleeve. Detailed Implementation
[0028] To facilitate understanding of this utility model, a more comprehensive description will be provided below with reference to the accompanying drawings. The drawings illustrate preferred embodiments of this utility model.
[0029] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0031] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.
[0032] like Figures 1 to 5 As shown, in one embodiment, a composite copper sheet 1 includes a sheet body 10, a mounting bracket 20, and a snap-fit component 30. The sheet body 10 has a circular hole 11. The mounting bracket 20 includes a locking block 21 and several locking blocks 22. The locking block 21 is disposed on the sheet body 10 and is located between the circular hole 11 and any end of the sheet body 10. Each locking block 22 is disposed on the sheet body 10 and is spaced apart along the circumference of the circular hole 11. The fabric snap-fit component 30 includes a guide plate 31 and several protrusions 32. A cylinder 310 is provided on one end of the guide plate 31. Each protrusion 32 is distributed at intervals along the circumference of the cylinder 310. The cylinder 310 is inserted into the circular hole 11. One end of the guide plate 31 drives each protrusion 32 to rotate around the axis of the cylinder 310, so that each protrusion 32 is snapped into each snap-fit block 22 in a corresponding manner, thereby making the end of the guide plate 31 away from the cylinder 310 snap-fit into the locking block 21.
[0033] It should be noted that the sheet body 10 is a sheet-like sheet body 10 of composite copper sheet 1, and a circular hole 11 is provided on the sheet body 10. Each locking block 22 tends to have an arc-shaped structure, and each locking block 22 is distributed at intervals with the axis of the circular hole 11 as the center. Moreover, any end of each locking block 22 facing the same direction is connected to the upper surface of the sheet body 10, and there is a gap between the other end of each locking block 22 and the upper surface of the sheet body 10. For example, each locking block 22 and the sheet body 10 are integrally stamped, so that each locking block 22 protrudes relative to the upper surface of the sheet body 10, and there is a gap between the lower surface of each locking block 22 and the upper surface of the sheet body 10. Further, one end of the guide plate 31 has a circular structure, and a cylinder 310 is coaxially disposed on the circular end of the guide plate 31 and protrudes from one side of the guide plate 31. Each protrusion 32 is disposed along the circumference of the cylinder 310 on the circular end of the guide plate 31. Furthermore, the cylinder 310 is adapted to be inserted into the circular hole 11, so that the guide plate 31 fits against the plate body 10, and each protrusion 32 on the guide plate 31 is located between each locking block 22. When the guide plate 31 rotates around the axis of the cylinder 310, it causes the guide plate 31 to drive each protrusion 32 to move closer to the end of each locking block 22 away from the end connected to the sheet body 10. This causes each protrusion 32 to slide into the gap between each locking block 22 and the sheet body 10. It should be noted that the width of each gap is less than the thickness of each protrusion 32. When each protrusion 32 is in each gap, each protrusion 32 and each locking block 22 are in an interference fit state. This allows each locking block 22 to make one end of the guide plate 31 tightly fit against the upper surface of the sheet body 10 through each protrusion 32, ensuring that the contact surface between the guide plate 31 and the sheet body 10 is tightly connected, and preventing the guide plate 31 from shaking on the sheet body 10 or detaching from the sheet body 10.
[0034] It should be noted that when one end of the cylinder 310 on the guide plate 31 rotates around the axis of the circular hole 11, the other end of the guide plate 31 swings relative to the plate body 10 and approaches the locking block 21. Furthermore, one end of the locking block 21 is connected to the upper surface of the plate body 10, and there is a gap between the other end of the locking block 21 and the upper surface of the plate body 10. For example, the locking block 21 and the plate body 10 are integrally stamped, causing the locking block 21 to protrude relative to the upper surface of the plate body 10. When the guide plate 31 swings relative to the plate body 10 and approaches the end of the locking block 21 away from the end connected to the plate body 10, the end of the guide plate 31 away from the cylinder 310 slides into the gap between the locking block 21 and the plate body 10. Furthermore, the gap width between the locking block 21 and the plate body 10 is less than the thickness of the guide plate 31, so that the guide plate 31 and the locking block 21 are in an interference fit state, thereby making the end of the guide plate 31 away from the cylinder 310 tightly adhere to the upper surface of the plate body 10. Furthermore, a top block 210 is provided on the end of the locking block 21 away from the end connected to the plate body 10. For example, the top block 210 and the locking block 21 are integrally stamped structures. When the guide piece 31 slides into the gap between the locking block 21 and the upper surface of the plate body 10, and the side of the guide piece 31 abuts against the end face of the locking block 21 connected to the plate body 10, the top block 210 will lock the other side of the guide piece 31, preventing the guide piece 31 from sliding out of the gap between the locking block 21 and the plate body 10. When the guide piece 31 cannot slide out of the gap between the locking block 21 and the plate body 10, the guide piece 31 cannot rotate around the axis of the cylinder 310. Consequently, the protrusions 32 on the guide piece 31 cannot rotate away from the locking block 22, so that the guide piece 31 drives the protrusions 32 to be locked into the gap between the locking block 22 and the plate body 10 and cannot rotate out.
[0035] like Figures 1 to 6 As shown, in one embodiment, the snap-fit component 30 further includes a plurality of insert blocks 33, each insert block 33 being disposed on one end of each protrusion 32 facing the same direction. Each snap-fit component 22 has a through hole 220 at its connection point with the sheet body 10, and each insert block 33 is inserted into each through hole 220.
[0036] It should be noted that each through hole 220 corresponds one-to-one with each insert block 33. The two ends of each through hole 220 connect to the two sides of the locking block 22, and one end of each through hole 220 connects to the gap between the locking block 22 and the plate body 10. When the guide plate 31 drives each protrusion 32 to rotate and slide into the gap between the locking block 22 and the plate body 10, each protrusion 32 drives each insert block 33 to slide into the gap between the locking block 22 and the plate body 10, and causes each insert block 33 to extend from the end of each through hole 220 away from the gap. Furthermore, a latch 330 is provided on the end of each insert block 33 away from the protrusion 32, and the latch 330 abuts against the locking block 22. When each insert block 33 extends from the end of each through hole 220 away from the gap, the latch 330 abuts against the side of the locking block 22 away from the gap, thus preventing the protrusion 32 from moving away from the locking block 22. Furthermore, a stress groove is provided in the middle of the insert block 33, and the buckles 330 are respectively provided on the two opposing sides of the insert block 33 away from the protrusion 32. The insert block 33 is interference-fitted with the through hole 220. When the insert block 33 is inserted into the through hole 220, the two opposing inner sidewalls of the through hole 220 will squeeze the buckles 330 on both sides of the insert block 33, so that the end of the insert block 33 close to the buckle 330 is simultaneously squeezed and deformed towards the stress groove. When the insert block 33 drives the buckle 330 to extend from the end of the through hole 220 away from the gap between the buckle 22 and the sheet body 10, the buckle 330 abuts against the side of the buckle 22 away from the protrusion 32, thereby preventing the protrusion 32 from sliding out from the gap between the buckle 22 and the sheet body 10, so as to increase the stability of the tight fit between the guide sheet 31 and the sheet body 10.
[0037] like Figures 1 to 3 , Figure 5 As shown, in one embodiment, the snap-fit member 30 further includes a wire sleeve 34, which is disposed on the end of the guide piece 31 away from the cylinder 310, and is used to attach a wire.
[0038] It should be noted that one end of the wire sleeve 34 is located on the end that drives the guide plate 31 away from the cylinder 310. The wire passes through the wire sleeve 34 and is soldered to the surface of the guide plate 31 away from the cylinder 310. For example, the wire sleeve 34 and the plate body 10 are integrally formed. Furthermore, after the guide passes through the wire sleeve 34, it can flatten the wire sleeve 34 to clamp the wire and prevent the wire from coming out of the wire sleeve 34.
[0039] like Figures 1 to 2 , Figure 5 As shown, in one embodiment, a wire placement groove is provided on the guide plate 31, which extends from one end of the guide plate 31 to the other end.
[0040] It should be noted that the wire placement groove has a guide plate 31 on the side away from the cylinder 310, extending from the end of the guide plate 31 near the cylinder 310 to the end of the guide plate 31 near the wire sleeve 34. The end of the wire placement groove near the cylinder 310 is a circular portion, and the end of the wire placement groove near the wire sleeve 34 is a straight portion. When the end of the guide plate 31 near the wire sleeve 34 engages with the locking block 21, a through hole is formed between the locking block 21 and the guide plate 31 for the guide to pass through. After the guide passes through the wire sleeve 34, it extends from the straight portion through the through hole to the circular portion, so that the end of the guide can be welded and fixed in the circular portion.
[0041] In one embodiment, the sheet body 10 is further provided with a welding part, and there is a gap between the welding part and the circular hole 11. The sheet body 10 is welded to the electrode of the battery through the welding part, and the guide plate 31 is used to connect with the wire. Thus, the assembly worker first inserts the cylinder 310 on the guide plate 31 into the circular hole 11, so that each protrusion 32 is located between each locking block 22, and then rotates the guide plate 31 around the axis of the circular hole 11, so that the guide plate 31 drives each protrusion 32 to slide into the gap between each locking block 22 and the sheet body 10. At the same time, each protrusion 32 drives each insert 33 to pass through each through hole 220, so that each latch 330 abuts against the side of the locking block 22 away from the gap, so that each protrusion 32 cannot rotate away from the gap between each locking block 22 and the sheet body 10 around the axis of the circular hole 11, thereby making the surface of the guide plate 31 and the sheet body 10 fit tightly. Furthermore, after each protrusion 32 engages with each locking block 22, the end of the guide piece 31 near the wire sleeve 34 also engages with the locking block 21, and the top block 210 pushes the side of the guide piece 31 away from the locking block 21, thus preventing the guide piece 31 from swinging around the axis of the cylinder 310. In this way, both ends of the guide piece 31 cannot rotate or swing, making the guide piece 31 more firmly attached to the sheet body 10. Furthermore, during installation, the sheet body 10 on the battery electrode and the guide piece 31 on the guide end can be firmly engaged without the need for tools, thereby reducing installation steps in the assembly process and improving the assembly efficiency of the production line.
[0042] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A composite copper sheet, characterized by, The utility model relates to a kind of carding devices, including: Sheet, the sheet is provided with round hole; Clamping seat piece, the clamping seat piece includes lock block and several clamping blocks, the lock block is set on the sheet, and the lock block is located between the round hole and the end of the sheet, each clamping block is set on the sheet, and each clamping block is spaced along the circumferential direction of the round hole;And Clamping piece, the clamping piece includes guide sheet and several convex blocks, each convex block is set on the guide sheet, one end of the guide sheet is provided with cylinder, each convex block is spaced along the circumferential direction of the cylinder, the cylinder is inserted with the round hole, one end of the guide sheet drives each convex block to rotate with the axis of the cylinder as center, so that each convex block is one-to-one with each clamping block Clamping, so that the end of the guide sheet away from the cylinder is clamped with the lock block.
2. The composite copper sheet according to claim 1, wherein Each clamping block and the sheet are provided with gap, each convex block is clamped in each gap respectively.
3. The composite copper sheet according to claim 2, wherein The thickness of the convex block is greater than the width of the gap.
4. The composite copper sheet according to claim 3, wherein The clamping piece further includes several insertion blocks, each insertion block is respectively set on one end of each convex block in the same direction, each clamping block and the connection position of the sheet are provided with through hole, each insertion block is inserted with each through hole.
5. The composite copper sheet according to claim 4, wherein The end of the insertion block away from the convex block is provided with buckle, and the buckle is in contact with the clamping block.
6. The composite copper sheet according to claim 1, wherein The lock block is provided with top block, and the top block is in contact with the guide sheet.
7. The composite copper sheet according to claim 6, wherein The clamping piece further includes wire sleeve, and the wire sleeve is set on the end of the guide sheet away from the cylinder, and the wire sleeve is used for sleeving wire.
8. The composite copper sheet according to claim 7, wherein The guide sheet is provided with wire slot, and the wire slot extends from one end of the guide sheet to the other end.